Method for producing highly pure squalane

摘要

Highly pure squalane in which the content of pristane is reduced to 10 wt ppm or less, can be obtained by refining the squalane of animal oil or fat origin through thin film distillation, said highly pure squalane is useful as a raw material for producing cosmetics and medical and pharmaceutical preparations and especially, it is quite effective as a lubricating agent for condoms and as a component of adjuvant composition.